Download the installer HERE.
Run the installer.
When asked to sign in, click to sign in with Google:
Once installed, click the bubble on the top right and click sign out:
Sign back in by first typing in your Greenwood e-mail address.
Click in the Password textbox and an option should pop up asking you either to sign in with an Adobe ID or an Enterprise ID. Choose Enterprise ID:
At the next prompt, enter your Greenwood e-mail address and password.
Adobe Cloud is now installed and activated! You may now begin to install the apps you need!